Tricholoma pessundatum is a mushroom of the agaric genus Tricholoma.

First described as Agaricus pessundatus by Elias Magnus Fries in 1821, it was transferred to the genus Tricholoma by Lucien Quélet in 1872.

[2] The species has as sour meal odor, and contains toxins which can cause severe gastrointestinal upset.

[3] A very similar species to the European mushroom is Tricholoma muricatum, which differs only in microscopic details.

This Tricholomataceae-related article is a stub.